$ git clone -n https://src.fedoraproject.org/rpms/testssl.git /var/lib/mock/f39-build-1848529-42180/root/chroot_tmpdir/scmroot/testssl
Cloning into '/var/lib/mock/f39-build-1848529-42180/root/chroot_tmpdir/scmroot/testssl'...
$ git fetch origin a588619f6bd7d2b9a10baab9ebf417c6278bb1df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/testssl
 * [new ref]         a588619f6bd7d2b9a10baab9ebf417c6278bb1df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a588619 Update to 3.2rc3 - Closes rhbz#2243652